Dortmund Data Bank
Excess Enthalpy Data
The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition. The data represent a small sub list of all available data in the Dortmund Data Bank. For more data or any further information please search the DDB or contact DDBST.
Enthalpy of Mixing Data Set 1963
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H10O |
74.123 |
71-36-3 |
1-Butanol |
| 2 |
C8H10 |
106.167 |
106-42-3 |
p-Xylene |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
| Temperature |
298.150 |
K |
| Pressure |
1.700 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 562.000 |
0.05940 |
| 662.000 |
0.08050 |
| 778.400 |
0.11960 |
| 805.800 |
0.12790 |
| 804.900 |
0.12920 |
| 859.600 |
0.15780 |
| 907.000 |
0.19160 |
| 917.200 |
0.19530 |
| 954.300 |
0.23200 |
| 972.800 |
0.24820 |
| 971.700 |
0.25130 |
| 980.600 |
0.26810 |
| 992.500 |
0.30340 |
| 988.500 |
0.30990 |
| 997.900 |
0.33800 |
| 996.500 |
0.35120 |
| 996.800 |
0.36140 |
| 993.400 |
0.36220 |
| 994.600 |
0.37200 |
| 977.000 |
0.41550 |
| 940.100 |
0.46760 |
| 936.400 |
0.46810 |
| 898.000 |
0.51590 |
| 829.900 |
0.56470 |
| 820.400 |
0.56900 |
| 686.500 |
0.65460 |
| 670.800 |
0.66450 |
| 522.800 |
0.74440 |
| 503.100 |
0.75490 |
| 342.800 |
0.83270 |
| 332.000 |
0.84070 |
| 162.200 |
0.92240 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Christensen J.J.; Rossiter B.E.; O'Neill T.K.; Hanks R.W.: The Excess Enthalpies of Six p-Xylene + Alcohol Mixtures at 298.15 K. J.Chem.Thermodyn. 10 (1978) 829-833 |
Enthalpy of Mixing Data Set 4613
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H10O |
74.123 |
71-36-3 |
1-Butanol |
| 2 |
C8H10 |
106.167 |
106-42-3 |
p-Xylene |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 676.000 |
0.08260 |
| 810.000 |
0.13150 |
| 904.000 |
0.18310 |
| 940.000 |
0.21360 |
| 973.000 |
0.24460 |
| 985.000 |
0.26970 |
| 1002.000 |
0.28790 |
| 1009.000 |
0.30830 |
| 1009.000 |
0.32980 |
| 1006.000 |
0.35040 |
| 999.000 |
0.38080 |
| 981.000 |
0.41050 |
| 964.000 |
0.44340 |
| 945.000 |
0.47420 |
| 893.000 |
0.51810 |
| 856.000 |
0.55320 |
| 756.000 |
0.62390 |
| 673.000 |
0.67360 |
| 605.000 |
0.71160 |
| 520.000 |
0.75880 |
| 426.000 |
0.80380 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Rodriguez-Nunez E.; Paz-Andrade M.I.; Jimenez E.; Bravo R.: II. Excess molar enthalpies at 298.15 K for 1-propanol, 1-butanol, and 1-pentanol. J.Chem.Thermodyn. 17 (1985) 23-28 |
Enthalpy of Mixing Data Set 19410
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H10O |
74.123 |
71-36-3 |
1-Butanol |
| 2 |
C8H10 |
106.167 |
106-42-3 |
p-Xylene |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 481.400 |
0.08245 |
| 691.000 |
0.13969 |
| 932.400 |
0.21475 |
| 1069.500 |
0.27949 |
| 1105.000 |
0.32432 |
| 1084.600 |
0.39629 |
| 1029.300 |
0.45448 |
| 944.000 |
0.52031 |
| 849.400 |
0.57592 |
| 655.200 |
0.66415 |
| 523.600 |
0.72432 |
| 399.200 |
0.78917 |
| 253.700 |
0.86947 |
| 185.400 |
0.91273 |
| 70.100 |
0.96310 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Bhardwaj U.; Singh K.C.: Excess molar enthalpies of mixing of 1-butanol with aromatic hydrocarbons at 308.15 K. Indian J.Chem.Sect.A 37 (1998) 1063-1069 |
Diagrams
List of All References
| Source |
| Bhardwaj U.; Singh K.C.: Excess molar enthalpies of mixing of 1-butanol with aromatic hydrocarbons at 308.15 K. Indian J.Chem.Sect.A 37 (1998) 1063-1069 |
| Christensen J.J.; Rossiter B.E.; O'Neill T.K.; Hanks R.W.: The Excess Enthalpies of Six p-Xylene + Alcohol Mixtures at 298.15 K. J.Chem.Thermodyn. 10 (1978) 829-833 |
| Rodriguez-Nunez E.; Paz-Andrade M.I.; Jimenez E.; Bravo R.: II. Excess molar enthalpies at 298.15 K for 1-propanol, 1-butanol, and 1-pentanol. J.Chem.Thermodyn. 17 (1985) 23-28 |
Excess Enthalpy Data Overview
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